401826986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{9137}}^1$

素因数の和:11149

約数の個数: 16

約数和(自身を含む): 657936000

約数和(自身を除く): 256109014

約数列:

[1, 2, 11, 22, 1999, 3998, 9137, 18274, 21989, 43978, 100507, 201014, 18264863, 36529726, 200913493, 401826986]

約数ペア:

[(1, 401826986), (2, 200913493), (11, 36529726), (22, 18264863), (1999, 201014), (3998, 100507), (9137, 43978), (18274, 21989)]